Add Zcash address validator

horizontalsystems · Nov 16, 2023 · 259765f · 259765f
1 parent 928a509
commit 259765f
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Showing 3 changed files with 36 additions and 3 deletions.
diff --git a/app/src/main/java/io/horizontalsystems/bankwallet/core/adapters/zcash/ZcashAdapter.kt b/app/src/main/java/io/horizontalsystems/bankwallet/core/adapters/zcash/ZcashAdapter.kt
@@ -50,6 +50,7 @@ import io.reactivex.subjects.PublishSubject
 import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.runBlocking
 import java.math.BigDecimal
+import java.util.regex.Pattern
 import kotlin.math.max
 
 class ZcashAdapter(
@@ -378,3 +379,23 @@ class ZcashAdapter(
         }
     }
 }
+
+object ZcashAddressValidator {
+    fun validate(address: String): Boolean {
+        return isValidZcashAddress(address)
+    }
+
+    private fun isValidTransparentAddress(address: String): Boolean {
+        val transparentPattern = Pattern.compile("^t[0-9a-zA-Z]{34}$")
+        return transparentPattern.matcher(address).matches()
+    }
+
+    private fun isValidShieldedAddress(address: String): Boolean {
+        val shieldedPattern = Pattern.compile("^z[0-9a-zA-Z]{77}$")
+        return shieldedPattern.matcher(address).matches()
+    }
+
+    private fun isValidZcashAddress(address: String): Boolean {
+        return isValidTransparentAddress(address) || isValidShieldedAddress(address)
+    }
+}
diff --git a/app/src/main/java/io/horizontalsystems/bankwallet/modules/address/AddressParserFactory.kt b/app/src/main/java/io/horizontalsystems/bankwallet/modules/address/AddressParserFactory.kt
@@ -53,9 +53,7 @@ class AddressParserFactory(
             }
 
             BlockchainType.Zcash -> {
-                //No validation
-                //todo: add zcash address handler
-//                addressHandlers.add(AddressHandlerPure(blockchainType))
+                addressHandlers.add(AddressHandlerZcash())
             }
 
             BlockchainType.Ethereum,

diff --git a/app/src/main/java/io/horizontalsystems/bankwallet/modules/address/IAddressHandler.kt b/app/src/main/java/io/horizontalsystems/bankwallet/modules/address/IAddressHandler.kt
@@ -1,6 +1,7 @@
 package io.horizontalsystems.bankwallet.modules.address
 
 import com.unstoppabledomains.resolution.Resolution
+import io.horizontalsystems.bankwallet.core.adapters.zcash.ZcashAddressValidator
 import io.horizontalsystems.bankwallet.entities.Address
 import io.horizontalsystems.binancechainkit.helpers.Crypto
 import io.horizontalsystems.bitcoincore.network.Network
@@ -257,6 +258,19 @@ class AddressHandlerSolana : IAddressHandler {
 
 }
 
+class AddressHandlerZcash : IAddressHandler {
+    override val blockchainType = BlockchainType.Zcash
+
+    override fun isSupported(value: String): Boolean {
+        return ZcashAddressValidator.validate(value)
+    }
+
+    override fun parseAddress(value: String): Address {
+        return Address(value)
+    }
+
+}
+
 class AddressHandlerTron : IAddressHandler {
     override val blockchainType: BlockchainType
         get() = BlockchainType.Tron